5D Mark III part number need

5D3 in repair shop since 2 months, the repair man gave me a photocopy of what he is looking for with a round draft to identify the piece. I see CG2-2294 and he call it FPC ASS' Y Front. That piece cost around 100$ CDA

The repair man told me that for the 5D2 the piece was available but he can't find a number for 5D3

I couldn't find this part anywhere from Google, neither ebay.

On the 5D Mark III I was told by a part seller from Internet that it is part of the Mirror box and need to be bough together, the number is CY3-1652-000, the price is 302$ US butt I will need to pay custom and shipping witch boost the price.

We had a place here in Canada call global-semi who were selling it for 324$ CDA but it's close and no one is replacing that place here yet. If they were open we could have better answer.

Anyone know the part number of the PCB AF sensor only, witch is a part from the CY3-1652-000 ?